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#ifndef ncvResizeOp_H
#define ncvResizeOp_H

#include "ncvImage.h"
#include "ncvFixed.h"

/**
 * \class CResizeOp
 *
 * Performs either a normal or bilinear resize to a target size or according to a
 * scaling factor.  If only an x-axis scaling factor is given, operation maintains the
 * aspect ratio of the bitmap.
 * \note Symbian TClass.
 */
class CResizeOp : public CImageOp
	{
public:
	/**
	 * \brief Constructor.
	 * \param aImage CNokiaCVImage to scale
	 * \param aBilinear Use bilinear resize (slower) or normal.
	 */
	IMPORT_C CResizeOp( CNokiaCVImage* aImage, TBool aBilinear = EFalse);

	/**
	 * \brief Do the actual resize. Take the new size from target image and store the result in it.
	 * \param aTarget CNokiaCVImage to store the result in. The new size will be taken from it too.
	 * \note the function can leave
	 */
	IMPORT_C void DoOperation( CNokiaCVImage* aTarget );

private:
	/// Private constructor.
	CResizeOp();

	/// Do a bilinear resize
	void DoBilinearResize( CNokiaCVImage* aTarget );
	/// Do a normal resize
	void DoNormalResize( CNokiaCVImage* aTarget );
private:
	CFixed		iScaleFactorX;
	CFixed		iScaleFactorY;

	TSize		iOrigSize;
	TSize		iTargetSize;

	CNokiaCVImage *iImage;
	TBool		iBilinear;

	};

#endif	// ncvResizeOp_H
